大约有 40,000 项符合查询结果(耗时:0.0516秒) [XML]

https://stackoverflow.com/ques... 

How to use 'cp' command to exclude a specific directory?

I want to copy all files in a directory except some files in a specific sub-directory. I have noticed that cp command didn't have the --exclude option. So, how can I achieve this? ...
https://stackoverflow.com/ques... 

Understanding garbage collection in .NET

...urce code. Note how the extra braces have no effect at all. And note how setting the variable to null makes no difference at all. It will always print "1". It now works the way you hope and expected it would work. Which does leave with the task of explaining why it works so differently when you...
https://stackoverflow.com/ques... 

How do I purge a linux mail box with huge number of emails? [closed]

... result to an email. Now over the months I have accumulated a huge number of emails. 8 Answers ...
https://stackoverflow.com/ques... 

Assign multiple columns using := in data.table, by group

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
https://stackoverflow.com/ques... 

make_unique and perfect forwarding

Why is there no std::make_unique function template in the standard C++11 library? I find 6 Answers ...
https://stackoverflow.com/ques... 

Why doesn't Java offer operator overloading?

...ment means to copy a reference to an existing value. Consider instead: b.set(1, 0); // initialize to real number '1' a = b; b.set(2, 0); assert( !a.equals(b) ); // this assertion will fail In C++, this copies the value, so the comparison will result not-equal. In Java, operator= performs refere...
https://stackoverflow.com/ques... 

Getting SyntaxError for print with keyword argument end=' '

... isn't available in Python 2.x because print is still a statement. print("foo" % bar, end=" ") in Python 2.x is identical to print ("foo" % bar, end=" ") or print "foo" % bar, end=" " i.e. as a call to print with a tuple as argument. That's obviously bad syntax (literals don't take keyword...
https://stackoverflow.com/ques... 

Way to go from recursion to iteration

I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems. ...
https://stackoverflow.com/ques... 

Peak detection in a 2D array

...e peaks using a local maximum filter. Here is the result on your first dataset of 4 paws: I also ran it on the second dataset of 9 paws and it worked as well. Here is how you do it: import numpy as np from scipy.ndimage.filters import maximum_filter from scipy.ndimage.morphology import generate_...
https://stackoverflow.com/ques... 

Re-sign IPA (iPhone)

I currently build all my applications with hudson using xcodebuild followed by a xcrun without any problems 11 Answers ...